ObsRngDev.hpp

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#pragma ident "$Id: ObsRngDev.hpp 3342 2013-01-30 02:21:06Z ocibu $"

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//  
//  Copyright 2004, The University of Texas at Austin
//
//============================================================================

//============================================================================
//
//This software developed by Applied Research Laboratories at the University of
//Texas at Austin, under contract to an agency or agencies within the U.S. 
//Department of Defense. The U.S. Government retains all rights to use,
//duplicate, distribute, disclose, or release this software. 
//
//Pursuant to DoD Directive 523024 
//
// DISTRIBUTION STATEMENT A: This software has been approved for public 
//                           release, distribution is unlimited.
//
//=============================================================================

#ifndef OBSRNGDEV_HPP
#define OBSRNGDEV_HPP

#include <ostream>

#include "CommonTime.hpp"
#include "XvtStore.hpp"
#include "Exception.hpp"
#include "GPSEllipsoid.hpp"
#include "IonoModelStore.hpp"
#include "TropModel.hpp"
#include "ValidType.hpp"
#include "SatID.hpp"
#include "GNSSconstants.hpp"

namespace gpstk
{

   class ObsRngDev
   {
   public:

      ObsRngDev() throw() : wonky(false), obstime(CommonTime::END_OF_TIME) {};

      ObsRngDev(const double prange,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                EllipsoidModel& em,
                bool svTime = false);
      ObsRngDev(const double prange,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                EllipsoidModel& em,
                const IonoModelStore& ion,
                IonoModel::Frequency fq,
                bool svTime = false);
      ObsRngDev(const double prange,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                EllipsoidModel& em,
                const TropModel& tm,
                bool svTime = false);
   
      ObsRngDev(const double prange,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                EllipsoidModel& em,
                const TropModel& tm,
                const IonoModelStore& ion,
                IonoModel::Frequency fq,
                bool svTime = false);
   
      ObsRngDev(const double prange1,
                const double prange2,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                EllipsoidModel& em,
                bool svTime = false,
                double gamma = GAMMA_GPS);
   
      ObsRngDev(const double prange1,
                const double prange2,
                const SatID& svid,
                const CommonTime& time,
                const Position& rxpos,
                const XvtStore<SatID>& eph,
                const EllipsoidModel& em,
                const TropModel& tm,
                bool svTime = false,
                double gamma = GAMMA_GPS);
   
      virtual ~ObsRngDev() throw() {}

      // get accessor methods ----------------------------------------------
      const CommonTime& getTime() const throw() { return obstime; }

      SatID getSvID() const throw() { return svid; }

      vfloat getAzimuth() const throw() { return azimuth; }

      vfloat getElevation() const throw() { return elevation; }

      vshort getHealth() const throw() { return health; }

      vshort getIODC() const throw() { return iodc; }

      double getORD() const throw() { return ord; }

      vdouble getIono() const throw() { return iono; }

      vdouble getTrop() const throw() { return trop; }

      friend std::ostream& operator<<(std::ostream& s, 
                                      const ObsRngDev& r) throw();

      void applyClockOffset(double clockOffset)
      {ord -= clockOffset;}

   static bool debug;

   private:
      void computeOrd(double obs,
                      const Position& rxpos,
                      const XvtStore<SatID>& eph,
                      const EllipsoidModel& em,
                      bool svTime)
      {
         if (svTime) 
            computeOrdTx(obs, rxpos, eph, em);
         else 
            computeOrdRx(obs, rxpos, eph, em);
         return;
      }



      void computeOrdTx(double obs,
                        const Position& rxpos,
                        const XvtStore<SatID>& eph,
                        const EllipsoidModel& em);
   
      void computeOrdRx(double obs,
                        const Position& rxpos,
                        const XvtStore<SatID>& eph,
                        const EllipsoidModel& em);

      void computeTrop(const TropModel& tm);

   public:
      CommonTime obstime;           
      SatID svid;                
      double ord;                
      unsigned wonky;            

      vfloat azimuth;            
      vfloat elevation;          
      vshort health;             
      vshort iodc;               
      vdouble rho;               
      vdouble iono;              
      vdouble trop;              
   };
}
#endif

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